Adj has a total of 1075 dance, rock, and country songs on her system. the dance selection is three times the size of the rock selection. the country selection has 105 more songs than the rock selection. how many songs on the system are dance? rock? country?

There are three grizzly bears in the city zoo. yogi weighs 400.5 pounds, winnie weighs 560.35 pounds, and nyla weighs 628.29 pounds. what is the average weight of the three bears? (hint: what do they weigh all together? ) a. 502.97 pounds c. 604.38 pounds b. 529.71 pounds d. 794.57 pounds